1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtPDF module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QPDFDOCUMENT_P_H 38 #define QPDFDOCUMENT_P_H 39 40 #include "qpdfdocument.h" 41 42 #include "public/fpdfview.h" 43 #include "public/fpdf_dataavail.h" 44 45 #include <qbuffer.h> 46 #include <qmutex.h> 47 #include <qnetworkreply.h> 48 #include <qpointer.h> 49 50 QT_BEGIN_NAMESPACE 51 52 class QPdfMutexLocker : public QMutexLocker 53 { 54 public: 55 QPdfMutexLocker(); 56 }; 57 58 class QPdfDocumentPrivate: public FPDF_FILEACCESS, public FX_FILEAVAIL, public FX_DOWNLOADHINTS 59 { 60 public: 61 QPdfDocumentPrivate(); 62 ~QPdfDocumentPrivate(); 63 64 QPdfDocument *q; 65 66 FPDF_AVAIL avail; 67 FPDF_DOCUMENT doc; 68 bool loadComplete; 69 70 QPointer<QIODevice> device; 71 QScopedPointer<QIODevice> ownDevice; 72 QBuffer asyncBuffer; 73 QPointer<QIODevice> sequentialSourceDevice; 74 QByteArray password; 75 76 QPdfDocument::Status status; 77 QPdfDocument::DocumentError lastError; 78 int pageCount; 79 80 void clear(); 81 82 void load(QIODevice *device, bool ownDevice); 83 void loadAsync(QIODevice *device); 84 85 void _q_tryLoadingWithSizeFromContentHeader(); 86 void initiateAsyncLoadWithTotalSizeKnown(quint64 totalSize); 87 void _q_copyFromSequentialSourceDevice(); 88 void tryLoadDocument(); 89 void checkComplete(); 90 void setStatus(QPdfDocument::Status status); 91 92 static FPDF_BOOL fpdf_IsDataAvail(struct _FX_FILEAVAIL* pThis, size_t offset, size_t size); 93 static int fpdf_GetBlock(void* param, unsigned long position, unsigned char* pBuf, unsigned long size); 94 static void fpdf_AddSegment(struct _FX_DOWNLOADHINTS* pThis, size_t offset, size_t size); 95 void updateLastError(); 96 }; 97 98 QT_END_NAMESPACE 99 100 #endif // QPDFDOCUMENT_P_H 101